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Rimmed vacuole formation in the myopathies with apoptotic changes Koji IKEZOE 1 , Ikuya NONAKA 1,2 1Department of Ultrastructural Research, National Institute of Neuroscience, NCNP 2National Center Hospital for Mental, Nervous and Muscular Disorders, NCNP Keyword: アポトーシス , ミオパチー , 縁取り空胞 , rimmed vacuole , RV pp.271-281
Published Date 2000/4/10
DOI https://doi.org/10.11477/mf.1431901146
  • Abstract
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Several muscular disorders have been reported to be related to apoptosis, however there are arguments both pro and con. Among these myopathies, Marinesco-Sjogren syndrome shows little necrotic and regenerating process, and is characterized by rimmed vacuole (RV) formation in its muscle pathology. In addition, there are marked myonuclear changes consisting of chromatin condensation, some of which have DNA fragmentation demonstrated by TUNEL method in this syndrome. From these findings, there is no doubt that apoptotic mechanisms play a major role in the pathogenesis of this syndrome.


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電子版ISSN 1882-1243 印刷版ISSN 0001-8724 医学書院

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